linux-kernel - Re: [tip:perf/urgent] perf sched: Fix list of events, dropping unsupported ':r' modifier

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Date:	Wed, 3 Aug 2011 14:06:27 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>, mingo@...hat.com,
	hpa@...or.com, eranian@...gle.com, linux-kernel@...r.kernel.org,
	robert.richter@....com, tglx@...utronix.de,
	cjashfor@...ux.vnet.ibm.com, mingo@...e.hu,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/urgent] perf sched: Fix list of events, dropping
	unsupported ':r' modifier

Em Wed, Aug 03, 2011 at 02:18:51PM +0200, Peter Zijlstra escreveu:
> On Wed, 2011-08-03 at 14:11 +0200, Frederic Weisbecker wrote:
> > Look at tools/perf/util/parse-events.c:parse_single_tracepoint_event()
> 
> fscking tinkerers.. that's horrid... strncmp("record") seriously wtf
> were you smoking, Acme why did you ever merge crap like that?

I haven't :-)
 
> Also, acme that can break stuff, remember the whole different
> ->sample_format discussion?

Yes, the evsel/evlist abstractions were in part motivated by the
multiple perf_event_attr->sample_type in the same session.

Being 5 weeks AFK was really nice but left me with a rather large
backlog :-)

> /me stomps off and goes do something useful, this userspace is like all
> other userspace.. a steaming pile of shit.

Nah, its all code, no matter what side of the fence.

- Arnaldo
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